Home / 10,016.40-15,024.60-9,870.60

Finding the Fourth Proportional to 10,016.40, 15,024.60 and 9,870.60

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Solution

The fourth proportional to 10,016.40, 15,024.60 and 9,870.60 is: 14,805.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,016.40 : 15,024.60 = 9,870.60 : x
  2. Step 2: Convert to fraction form
    10,016.40/15,024.60 = 9,870.60/x
  3. Step 3: Cross multiply
    10,016.40x = 15,024.60 × 9,870.60
  4. Step 4: Simplify right side
    10,016.40x = 148,301,816.76
  5. Step 5: Solve for x
    x = 148,301,816.76/10,016.40
  6. Step 6: Final answer
    x = 14,805.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.